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Sharp CD-C492 Service Manual

Compact disc digital audio
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Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are trademarks
of Dolby Laboratories. Confidential Unpublished Works.
©1992-1997 Dolby Laboratories, Inc. All rights reserved.
IMPORTANT SERVICE NOTES (For U.S.A. Only) ........................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 8
QUICK GUIDE ................................................................................................................................................................... 9
DISASSEMBLY ................................................................................................................................................................ 12
REMOVING AND REINSTALLING THE MAIN PARTS ................................................................................................... 15
ADJUSTMENT ................................................................................................................................................................. 16
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 19
WAVEFORMS OF CD CIRCUIT ...................................................................................................................................... 20
BLOCK DIAGRAM ........................................................................................................................................................... 21
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD ............................................................................................. 26
TROUBLESHOOTING ..................................................................................................................................................... 55
FUNCTION TABLE OF IC ................................................................................................................................................ 59
FL DISPLAY ..................................................................................................................................................................... 70
REPLACEMENT PARTS LIST/EXPLODED VIEW
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
- 1 -
CD-C492
CD-C492C
CP-C492, CP-SW492, CENTER(GBOXS0010AWM1) and
SURROUND(GBOXS0011AWM1) speaker system
Constibute CD-C492/CD-C492C.
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
QSOUND and the QLogo are registered trademarks of
QSound Labs, Inc.
QSound is protected under US Patent Nos. 5,105,462 and
5,208,860 and foreign counterparts.
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-C492/492C
No.S5829CDC492//
Page

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  • Page 1: Table Of Contents

    CD-C492 CD-C492C CP-C492, CP-SW492, CENTER(GBOXS0010AWM1) and SURROUND(GBOXS0011AWM1) speaker system Constibute CD-C492/CD-C492C. • In the interests of user-safety the set should be restored to its original condition and only parts identical to those specified be used. QSOUND and the QLogo are registered trademarks of Manufactured under license from Dolby Laboratories.

  • Page 2: Important Service Notes (For U.s.a.only)

    CD-C492/492C FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER TO THE OPERATION MANUAL. IMPORTANT SERVICE NOTES (For U.S.A.Only) BEFORE RETURNING THE AUDIO PRODUCT (Fire & Shock Hazard) Before returning the audio product to the user, perform the following safety checks.

  • Page 3: Specifications

    CD-C492/492C SPECIFICATIONS Front speaker section CD-C492/492C CP-C492 General Type: 3-way, 5-1/8" (130 mm) woofer, Power source: AC 120 V, 60 Hz 2" (50 mm) tweeter and super Power consumption: 200 W tweeter Dimensions: Width; 10-5/8" (270 mm) Maximum input power: 80 W Height;...

  • Page 4: Names Of Parts

    CD-C492/492C NAMES OF PARTS CD-C492/492C Front panel 1. Disc Tray 2. Disc Number Selector Buttons 3. Disc Skip Button 4. Open/Close Button: 7 8 9 10 11 12 13 14 15 5. LFE Indicator 6. Left Surround Speaker Indicator 7. Left Front Speaker Indicator 8.
  • Page 5 CD-C492/492C 39. Clock Button 40. Sleep Button 39 40 41 42 43 44 45 46 47 41. Reverse Mode Button: ( ) 42. CD Pause Button: 43. Jog Dial 44. (CD/TAPE) Stop Button: 45. Record Pause Button: 46. Menu Button 47.
  • Page 6 CD-C492/492C Rear panel 1. DVD 1 Digital Input Socket (Optical) 2. DVD 2 Digital Input Socket (Coaxial) 3. DVD 1/VCR 1 Video Input Socket 4. DVD 2/VCR 2 Video Input Socket 5. Video Output Socket 6. CD Digital Output Socket (Optical) 7.
  • Page 7 CD-C492/492C GBOXS0010AWM1 Centre speaker 1. Tweeter 2. Woofer 3. Speaker Terminals GBOXS0011AWM1 Surround speakers 1. Tweeter 2. Woofer 3. Speaker Terminals Remote control 1. Remote Control Transmiter LED 2. Surround Mode Selector Buttons 3. Sub Woofer Level Control Buttons: 4. Setup Up/Down Buttons: 5.

  • Page 8: Operation Manual

    CD-C492/492C OPERATION MANUAL – 8 –...

  • Page 9: Quick Guide

    CD-C492/492C – 9 –...
  • Page 10 CD-C492/492C – 10 –...
  • Page 11 CD-C492/492C – 11 –...

  • Page 12: Disassembly

    CD-C492/492C DISASSEMBLY Caution on Disassembly CD-C492/492C Follow the below-mentioned notes when disassembling ( A1 ) x2 Top Cabinet the unit and reassembling it, to keep it safe and ensure ø3 x12mm excellent performance: 1. Take cassette tape and compact disc out of the unit.
  • Page 13 CD-C492/492C Dolby PWB (M1)x2 (M2)x1 (D3) x4 CD Switch PWB ø3x10mm (G2) x1 Front Panel (G4) x2 (D1) x1 Washer ø3x10mm (D1) x1 Front Panel (M2)x1 (G4) x1 (N1)x3 Display ø3 x10mm ø3x10mm (G3) x2 (M3)x12 Headphones (G1) x2 ø3x10mm...
  • Page 14 CD-C492/492C ( U1 ) x4 CP-C492 ø3 x12mm Tweeter ( V1 ) x1 Baffle Board ø2.6 x10mm (A2)x1 Shift Lever (A1)x1 CD Changer Mechanism Woofer CD Player Base CD Mechanism Be careful when installing the CD changer mechanism. Install the CD changer mechanism on the CD player base after the shift lever has been set in the highest position.

  • Page 15: Removing And Reinstalling The Main Parts

    CD-C492/492C REMOVING AND REINSTALLING THE MAIN PARTS CD MECHANISM SECTION Perform steps 1, 2, 3, 18 and 20 of the disassembly method to remove the CD mechanism. Loading / Up / Down Motor How to remove the loading motor (See Fig. 15-1) Motor 1.

  • Page 16: Adjustment

    CD-C492/492C ADJUSTMENT • FM RF MECHANISM SECTION Signal generator: 1 kHz, 75 kHz dev., FM modulated • Driving Force Check Instrument Test Stage Frequency Frequency Serring/ Torque Meter Specified Value Display Adjusting Connection Point Play: TW-2412 Tape 1: Over 80 g...

  • Page 17: Test Mode

    CD-C492/492C TEST MODE • Setting the test mode Any one of test mode can be set by pressing several keys as follows. <CD> + <EQ> + <POWER> TEST: CD operation test • TEST mode Function — CD test mode Setting of TEST mode Indication of CD TST mode (Fig.
  • Page 18 CD-C492/492C EXPLANATION OF DOLBY DIGITAL DOLBY DIGITAL When you connect this unit to a DVD player which is playing DVD 1 DVD 2 a disc with the trademark, you can enjoy realistic, powerful sound by playing back the recorded signal...

  • Page 19: Notes On Schematic Diagram

    CD-C492/492C NOTES ON SCHEMATIC DIAGRAM • The indicated voltage in each section is the one measured • Resistor: by Digital Multimeter between such a section and the chas- To differentiate the units of resistors, such symbol as K and sis with no signal given.

  • Page 20: Waveforms Of Cd Circuit

    CD-C492/492C WAVEFORMS OF CD CIRCUIT STOP PLAY FOCUS SERCH 0.5ms 0.50 V 10.0 V IC1 20 F.E 0.5ms 10.0 V 0.5ms 5.0 V 0.50 V IC1 54 DRF 0.5ms 1.00 V PLAY 0.5ms NORMAL DISC 1.00 V TN0=01 20ms 1.00 V 0.5ms...

  • Page 21: Block Diagram

    CD-C492/492C Figure 21 BLOCK DIAGRAM (1/5) – 21 –...
  • Page 22 CD-C492/492C ICA12 NJM4580M LOW PASS FILTER & DIFFERENTIAL AMP 23 24 ANAROG RCH AINR+ AINR– DEM0 AINL+ DEM1 AINR– A-GND AINL– AINL– CLK2L/R SL/SR IN ANAROG LCH D-OUT AINL+ LS OUT ICA11 A-GND RS OUT NJM4580M LOW PASS FILTER &...
  • Page 23 CD-C492/492C DEM0 DEM1 BICK CLK2L/R LRCK FL/FR 10 11 21 D3-GND A-GND D3-GND DEM0 DEM1 2 95 66 19 29 37 44 53 65 68 71 BICK LRCK ICA18 ZR38600 CENTER CENTER CENTER DOLBY AC-3 /5.1 WOOFER MPEG2 AUDIO WOOFER...
  • Page 24 CD-C492/492C SO301 ANTENNA TERMINAL FM BPF FM IF FM IF IC201 VR351 FM FRONT END T301 CF301 BF301 AM IF MPX VCO ADJ TA7358AP T352 T351 FM IF IN FM DET FM OSC AM IF FM DET MO/ST FM/AM IF+MPX...
  • Page 25 CD-C492/492C (AC) FD01 FL DIPLAY (AC) DOLBY SECTION RXD01 REMOTE SENSOR ICD01 IX0233AW FL DRIVER u KEY MATRIX CONTROLLER SWD03~SWD06 SWD12~SWD17 SWD23~SWD48 KEY IN TUNER MUTE SWD50~SWD54 SPE1~5 SWD01 SWD02 JOG SW LEDD01~ LEDD28 62 61 60 78 79 87 88 91 92 93 94 95 96 97 98...

  • Page 26: Schematic Diagram / Wiring Side Of P.w.board

    CD-C492/492C 47/16 0.01 1.5V 4.8V 1/50 4.2V KTA1266 GR CNS1B VCC1 CNS1A – 2.4V FIN2 – + – + 2.5V 2.4V FIN1 EFBAL – + – + – + 2.5V FOSTA 2.5V – + DGND TOSTA 2.5V 2.4V – + 2FREQ –...
  • Page 27 CD-C492/492C CD SERVO PWB-B R57 1K R58 1K R59 1K R61 1K R62 1K R63 1K 0.01 EFLG 2.2V µ-COM SBSY SUB-CODE INTERFACE DEF1 XVSS 2.1V 3.3M 0.033 X-TAL XOUT 2.2V 0.047 GENERATOR 2Kx8 VVSS 4.8V XVDD 1.9V ISET MUTER 4.8V...
  • Page 28 CD-C492/492C MAIN PWB-A(1/5) FM SIGNAL QP15 KTC3199 GR RP62 5.6K CP43 CP44 0.0068 0.001 RP54 RP53 100K QP16 100K KTC3199 GR RP52 RP51 QP13 KTC3199 GR CP42 2.2/50 CNS99 CNSA11 FROM CD FROM S.W.MUTE SERVO PWB DOLBY PWB P27 11-D...
  • Page 29 CD-C492/492C FWP02 CFWP02 OUT6 OUT6 RELAY4 RELAY4 OUT4 OUT4 GND(M) OUT5 OUT5 +12V(M) GND(A) GND(A) CFWX11 FAN SW TO SPEAKER RELAY3 RELAY3 AMP.1 PWB P42 1-B VOL SW PROT POSISTOR 9 GR GND(A) FWP01 OUT3 OUT3 RELAY2 RELAY2 OUT1(L-CH) OUT1(L-CH)
  • Page 30 CD-C492/492C GND(CD2) GND(CD1) GND(D) GND(D) +7.3V(CD) GND(D) +12V(M) +4.6V(D) +4.6V(D) +4V(µ-CON) +12V(M) CNSD1 GND(µ-CON) COM1 TO DISPLAY RESET DATA1 P38 1-C RG11 RG05 RF80 RF81 RF50 1K MIC2DET FRNT2RLY RF82 1K RF49 1K H/P SW FAN CONT RF83 10K VOLT2SW...
  • Page 31 CD-C492/492C CD GND(D2) –B –15V CD GND(D1) GND(A) GND(D) +12V(A) +7.3V(CD) GND(D) +12V(M) +4.6V(D) SWF-MUTE +4.6V(D) REAR-MUTE CENT-MUTE –B –B S-MUTE DG03 AMP CONT 1SS133 QG01 SW RLY(4) KRC102 M CG03 RG35 QG02 RG33 REAR RLY(3) RESET 3.3/50 KTC3199 GR...
  • Page 32 CD-C492/492C PLAYBACK SIGNAL RECORD SIGNAL QL11 KTA1266 GR QL17 RL11 KRC104 M RL12 2.2K RL13 6.8K QL13 RL14 KRC104 M TAPE MECHANISM PWB-H QL14 FWM2 KTA1273 Y QL18 VRM1 MOTOR RL15 RL16 KRC104 M CL12 3.3K(B) 2.7K 2.2K 47/16 QL15...
  • Page 33 CD-C492/492C MAIN PWB-A (3/5) TA_F/R SPEED TA_F/R SPEED QL18 KRC104 M TA_MOT_SW TA_MOT_SW QL19 M_12V KRC104 M M_12V TA_SOL TA_SOL T2_A_FP T2_A_FP TA_CAM_SW TA_CAM_SW M_GND M_GND T1_RUN DL11 T1_RUN 1SS133 T2_RUN RL24 T2_RUN 3.3K QL16 CL13 T2_B_FP KRC107 M 3.3/50...
  • Page 34 CD-C492/492C RZ10 –B CZ04 10/16 ICZ02 ICZ04 ICZ06 BUFFER AMP. – – – – – – NJM4565M RZ02 6.8K CZ02 1/50 –B CZ22 0.33/50 –7V CZ14 CZ18 CZ06 CZ10 0.27 0.18 0.0047 0.027 11 12 ICZ01 LC7522 GRAPHIC EQUALIZER ELECTRIC VOLUME...
  • Page 35 CD-C492/492C MAIN PWB-A (4/5) VR CLK VR CLK VR DATA VR DATA VR LA TCH VR LA TCH CLK2 FUNC A FUNC B L OUT L OUT R OUT R OUT C IN C IN SLIN SLIN SRIN SRIN SWIN SWIN +4.6V...
  • Page 36 CD-C492/492C TO MAIN SECTION P31 12-C MAIN PWB-A(5/5) RQ18 100K RQ17 100K RQ16 100K RQ19 100K CQ30 RQ10 RQ20 100K 47/25 CQ29 100/10 CQ27 0.022 CQ24 (ML) 0.0047 (ML) CQ34 CQ25 0.47/50 0.47/50 (ML) (ML) CQ15 47/25 34 33 32 31 30 29 28 27 26 25...
  • Page 37 CD-C492/492C AM LOOP FM SIGNAL AM SIGNAL SO301 BF301 C328 C329 D361 0.001 0.001 D362 1SS133 1SS133 D302 1SS133 C302 (CH) C307 D301 0.0047 1SS133 D303 C303 1SS133 0.01 C309 6.8P C308 (UJ) 0.0047 L302 C310 R303 C311 0.022 100K 0.022...
  • Page 38 CD-C492/492C FM SIGNAL RV91 RV92 HP-LCH CV91 GND(A) 100P HP-RCH GND(M) CV92 LV91 –B 2.2µH 100P H/P SW LEDD01 RD48 QD01 F-PLAY KRC107 M FWV91 KL052UL 1.2K LEDD02 QD02 RD49 HEADPHONE PWB-C3 STOP KL052UL 1.2K KRC107 M LEDD03 RD50 QD03...
  • Page 39 CD-C492/492C FLD01 FL DISPLAY 28 28 30 31 32 33 34 35 36 37 38 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 –B 50 S19 VDD3 ICD01 IX0234AW DISPLY MICROCOMPUTER...
  • Page 40 CD-C492/492C CD D-IN CNSA11 CNPR12 TO MAIN PWB RA33 P28 3-C 2.2K CA32 JA11 DVD2 IN COAXIAL ICA16 74HC153F SELECTOR 1 2 3 4 5 6 7 1 2 3 4 5 6 7 CB21 0.001 DIGITAL-IN CA30 RA30 2.2K...
  • Page 41 CD-C492/492C ICA17 TC7WU04F DUAL 2-INPUT RA03 22 NAND GATE CA54 CA58 RA04 22 18P(CH) 220/6.3 CA56 0.01 CA57 10/16 4.6V 1 2 3 4 4.6V DVDD CA55 4.6V CA59 VREF DVSS 22P(CH) 0.01 AVSS 2.2V AVDD CA60 0.1 3.9V 2.3V VCOM CA61 0.1...
  • Page 42 CD-C492/492C SPEAKER AMP. 2 PWB-F2 QV13 KTC3199 GR DV13 1SS133 RV27 CV13 CV11 RV17 CV25 2.2/50 2.2/50 0.022 ICV01 –B RV29 QV18 0.2(1W) CV17 KTC3199 GR STK407-2 POWER AMP DV15 RV69 1SS133 0.2(1W) CV21 KTC3199 RV23 RV21 RV35 FWP1 2.2K...
  • Page 43 CD-C492/492C FM SIGNAL TMV01 RLYV11 QV18 KTC3199 GR FRONT SPEAKER DV15 L-CH 1SS133 RV41 – QV19 KTC3199 GR CV33 0.047(ML) RV43 4.7(1/2W) 8 OHMS FRONT SPEAKER DV24 DV17 R-CH DV23 CV28 1SS133 RV40 1SS133 1SS133 – 47/50 RLYY11 RV44 4.7(1/2W)
  • Page 44 CD-C492/492C TO SPEAKER TO SPEAKER AMP.1 PWB AMP.2 PWB P42 6-H P43 7-D CNPX12 CNPV12 CNS904 1 2 3 4 5 6 7 2 3 4 5 6 7 CNS903 BI904 BI903 2 3 4 5 6 7 2 3 4 5 6 7...
  • Page 45 CD-C492/492C T991 492C ONLY POWER TRANSFORMER F995 C954 0.22(ML) C956 0.22(ML) F996 –B D992–D995:2A02 C957 D995 D992 0.047 (ML) 16.9V C958 F997 0.047 D993 D994 2.5A (ML) C961 220/50 C964 47/50 –38V F990 C965 R955 100/35 AC POWER CORD ZD952...
  • Page 46 CD-C492/492C FROM SPEAKER AMP.1 PWB P54 2-B FROM SPEAKER AM CFWX11 COLOR TABLE TO TUNER PWB P54 5-A P53 8-C CFWV11 CNP303 BROWN R D ( R ) FWP2 ORANGE MAIN PWB-A CNSF13 YELLOW 1 2 3 4 5 6 7 8 9 10...
  • Page 47 CD-C492/492C FROM SPEAKER AMP.2 PWB UNER PWB P54 5-A CK52 53 8-C CFWV11 NP303 RK62 QK24 FWP1 B C E RK69 RK60 CK62 RK61 5 6 7 8 9 10 CK36 CK38 CFWP2 QK16 3 2 1 RK11 RK12 3 2 1...
  • Page 48 CD-C492/492C DOLBY PWB- G (TOP VIEW) CFWU2 FWA2 FWA1 TO MAIN PWB CFWU1 P46 3-H TO MAIN PWB P46 4-H ZDA01 CB16 CA95 LA11 ZDA02 CA96 CA79 CA73 LA18 CB22 CA80 CA77 CA63 LA12 CA58 CA50 CA64 CA62 LA17 DA13...
  • Page 49 CD-C492/492C SOLENOID SOLM2 CD MOTOR PWB-E SLIDE MOTOR SENSOR PWB-F PICK UP IN T/T UP/ CNS3A CNS3B DISC NUMBER DOWN LOADING DISC MOTOR PICKUP UNIT(306) BIM5 CNS1A CNS1B OPEN/CLOSE MECHA UP CNS2A CNS2B 9 8 7 6 5 4 3 2 1...
  • Page 50 CD-C492/492C CD10 CD11 FLD01 CD09 3 4 5 6 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 3 CD06...
  • Page 51 CD-C492/492C DISPLAY PWB-C1 FLD01 SWD43 RD44 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57...
  • Page 52 CD-C492/492C Figure 52 WIRING SIDE OF P.W.BOARD (7/9) – 52 –...
  • Page 53 CD-C492/492C D362 TP302 TP303 T352 T304 T302 C331 VR351 C330 D361 R375 C358 D302 IC303 Q342 D303 3 2 1 CF301 C361 VD304 T301 R360 D301 R358 T351 R363 L303 R357 R317 R302 R381 R362 R359 C393 R356 IC301 C369...
  • Page 54 CD-C492/492C TO HEADPHONES PWB TO MAIN PWB TO FAN MOTOR P50 2-F P47 7-A P49 8-D FWV91 CFWP1 CNS901 FWP1 TO MAIN PWB TO POWER PWB QV22 P46 4-A 1 2 3 4 5 E C B P52 6-F CNPV11...

  • Page 55: Troubleshooting

    CD-C492/492C TROUBLESHOOTING When the CD does not function When the CD section does not operate When the objective lens of the optical pickup is dirty,this section may not operate.Clean the objective lens,and check the playback operation.When this section does not operate even after the above step is taken,check the following items.
  • Page 56 CD-C492/492C • When the CD tray fails to open or close. Is there following voltage input in specific state of ICF01 pin 86? Check the OPEN CLOSE SW and the wiring from the ICF01 pin 86 to the OPEN CLOSE SW.
  • Page 57 CD-C492/492C • Playback can only be performed when a disc is loaded. Check the laser diode driver. Is the Focus servo active? (Can you hear it working?) Check the area around IC1(16) - (21) (focus servo circuit). If the disc is not turning, the DRF Does the DRF signal change from "L"...
  • Page 58 CD-C492/492C • Checking the spin system. Play operation is performed without disc. The turntable rotates a little. The spin driver circuit is normal. Check the periphery of IC1 pins 23 to 27, pin 39, and pin 40, IC2 The turntable fails to rotate or rotates at high speed.

  • Page 59: Function Table Of Ic

    CD-C492/492C FUNCTION TABLE OF IC IC2 VHiLC78623D-1: Servo/Signal Control (LC78623D) (1/2) Terminal Name Input/Output Function Pin No. DEFI Input Input terminal of defect detection signal (DEF). (Connected to OV when not used.) Input For PLL Input terminal for test. Pull-down resistor is integrated. Surely connected to 0V.
  • Page 60 CD-C492/492C IC2 VHiLC78623D-1: Servo/Signal Control (LC78623D) (2/2) Terminal Name Input/Output Pin No. Function Output Output terminal of subcodes P, A, R, S, T, U and W. SFSY Output Output terminal of synchronous signal of subcode frame. It drops when subcode stands by.
  • Page 61 CD-C492/492C IC1 VHiLA9241M/-1: Servo Amp. (LA9241M) (1/2) Function Port Name Pin No. FIN2 Connection pin for photodiode of pickup. RF signal is generated through addition with FIN pin, and FE signal is generated through subtraction. FIN1 Connection pin for photodiode of pickup.
  • Page 62 CD-C492/492C IC1 VHiLA9241M/-1: Servo Amp. (LA9241M) (2/2) Function Port Name Pin No. Micro computer command clock input pin. Micro computer command data input pin. Micro computer command chip enable input pin. (DETECT RF) RF level detection output. (Focus Serch Select) Pin to switch focus search mode. (± search/+ search for reference voltage) VCC2 VCC pin for servo system and digital system.
  • Page 63 CD-C492/492C ICQ1 VHiQS7777PF-1: Q-Sound Decorder (QS7777PF) Terminal Name Input/Output Pin No. Function VREFOUT Output Buffered reference voltage output (VANA/2) VREFIN Input Reference voltage input (Biased to VANA/2 internally) MSC3 Input Capactior MSC2 Input Capactior MSC1 Input Capactior — Ground PSAVE...
  • Page 64 CD-C492/492C ICF1 RH-iX0233AWZZ:System Microcomputer (IX0233AW) Input/Output Pin No. Port Name Function P00-P01 Input/Output 8-Bit input/output port. Input/output can be specified in 4-bit units HOLD release input. Port 0 interrupt input 3-10 P10-P17 Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units...
  • Page 65 CD-C492/492C ICD1 RH-iX0234AWZZ:System Microcomputer (IX0234AW) (1/2) Input/Output Pin No. Port Name Function P16-P17 Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units (2)* Dual-purpose function P16: BUZ output P17: Timer 1 output (PWM output) 3-10 P30-37 Input/Output 8-Bit input/output port. Input/output can be specified in 1-bit units...
  • Page 66 CD-C492/492C ICD1 RH-iX0234AWZZ:System Microcomputer (IX0234AW) (2/2) Input/Output Pin No. Port Name Function 64-71 S32-S39 Input/Output Fluorescent charcater display tube (VFD)display controller Segment output Dual-purrpose function S32: High voltage withstand input port PE0 S33: High voltage withstand input port PE1 S34: High voltage withstand input port PE2...
  • Page 67 CD-C492/492C ICA18 VHiZR38600/-1: DOLBY AC-3/5.1CH MPEG2 AUDIO DECORDER (ZR38600 ) (1/2) Terminal Name Input/Output Function Pin No. Output Address bus. The address bus is always active. — Ground pin Input Serial host interfase: Slave select input (SPI) Input ICE interfase mode selection (TAG)
  • Page 68 CD-C492/492C ICA18 VHiZR38600/-1: DOLBY AC-3/5.1CH MPEG2 AUDIO DECORDER (ZR38600 ) (2/2) Terminal Name Input/Output Function Pin No. Output Data output for serial ports B, C and D — Used to connect a power supply of +3.3V ±5% GPIO2 Input/Output General-purpose I/O pin...
  • Page 69 CD-C492/492C ICA18 VHiZR38600/-1: DOLBY AC-3/5.1CH MPEG2 AUDIO DECORDER (ZR38600 ) To µ con Serial In Internal Internal Internal Seiral Serilal Program Data Program/Data Audio Host Inputs 1KX32 16KX32 9KX20 Digital S/PDIF Audio I/F Input Digital Audio I/F Control output Parallel...

  • Page 70: Fl Display

    CD-C492/492C FLD1 : VVKBJ613GK/-1 FL Display (15G 13G) ‘ (2G) (1G) – – – – – – – – – – – – – – – – – – – – – – – – – – – – –...
  • Page 71 “HOW TO ORDER REPLACEMENT PARTS” To have your order filled promptly and correctly, please furnish the For U.S.A. only following information. Contact your nearest SHARP Parts Distributor to order. 1. MODEL NUMBER 2. REF. No. 3. PART NO. 4. DESCRIPTION For location of SHARP Parts Distributor, Please call Toll-Free;...
  • Page 72 CD-C492/492C PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VSKRC102M//-1 AC Digital,NPN,KRC102 M CD-C492/492C QG2,3 VSKTC3199GR-1 AB Silicon,NPN,KTC3199 GR QG92 VSKTC3199GR-1 AB Silicon,NPN,KTC3199 GR INTEGRATED CIRCUITS QH51 VSKTC3199GR-1 AB Silicon,NPN,KTC3199 GR QH52,53 VSKRC102S//-1 AB Digital,NPN,KRC102 S VHILA9241M/-1 AS Servo Amp.,LA9241M...
  • Page 73 CD-C492/492C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK AB 0.1 µF,50V,Electrolytic LEDD13 VHPSLR325VR-1 AE LED,Red,SLR325VR VCEAZA1HW104M J AA 0.068 µF,16V LEDD14,15 VHPSLR325MG-1 AE LED,Green,SLR325MG VCTYPA1CX683K AA 0.047 µF,16V LEDD16,17 VHPSLR325VR-1 AE LED,Red,SLR325VR VCTYPA1CX473K LEDD18,19 VHPSLR325MG-1 AE LED,Green,SLR325MG...
  • Page 74 CD-C492/492C PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK AC 10 µF,16V,Electrolytic C382 VCCCMN1HH150J J AA 15 pF (CH),50V CA98 VCEAZA1CW106M J AA 0.022 µF,25V C383 VCTYMN1EF223Z CB1,2 VCKYTV1HB101K AA 100 pF,50V AA 0.001 µF,50V AA 0.022 µF,50V...
  • Page 75 CD-C492/492C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK AB 0.047 µF,50V,Mylar CK62 VCQYKA1HM473K J CY15 VCCSPA1HL150J AA 15 pF,50V AB 47 µF,16V,Electrolytic AC 100 µF,50V,Electrolytic CL12 VCEAZA1CW476M J CY16 VCEAZA1HW107M J AB 3.3 µF,50V,Electrolytic AB 0.022 µF,50V...
  • Page 76 CD-C492/492C PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK VRD-MN2BD682J AA 6.8 kohms,1/8W R911 VRD-ST2EE561J AA 560 ohms,1/4W VRD-MN2BD122J AA 1.2 kohms,1/8W R912 VRD-ST2CD470J AA 47 ohms,1/6W VRD-MN2BD103J AA 10 kohm,1/8W R913 VRD-ST2EE561J AA 560 ohms,1/4W VRD-MN2BD122J AA 1.2 kohms,1/8W...
  • Page 77 CD-C492/492C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK RD55 VRD-ST2CD821J AA 820 ohms,1/6W RF91 VRD-MN2BD102J AA 1 kohm,1/8W RD57 VRD-ST2EE390J AA 39 ohms,1/4W RF92 VRD-ST2CD102J AA 1 kohm,1/6W RD58,59 VRD-ST2CD104J AA 100 kohm,1/6W RF93,94 VRD-MN2BD102J AA 1 kohm,1/8W...
  • Page 78 CD-C492/492C PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK RK41,42 VRD-MN2BD820J AA 82 ohms,1/8W RV56 VRD-ST2CD392J AA 3.9 kohms,1/6W RK43 VRD-MN2BD103J AA 10 kohm,1/8W RV57 VRD-ST2CD472J AA 4.7 kohms,1/6W RK45~50 VRD-MN2BD103J AA 10 kohm,1/8W RV58 VRD-ST2CD103J AA 10 kohm,1/6W...
  • Page 79 CD-C492/492C PRICE PRICE DESCRIPTION PARTS CODE DESCRIPTION PART CODE RANK RANK RZ47 VRD-MN2BD102J AA 1 kohm,1/8W JA11 QJAKZ0011AWZZ AE Jack,Digital 2 Coaxial RZ48,49 VRD-ST2CD102J AA 1 kohm,1/6W JH51 QSOCJ0302AWZZ J AE Jack,Video In/Out RZ50 VRD-MN2BD102J AA 1 kohm,1/8W JR11,12 QSOCJ0205AWZZ J...
  • Page 80 CD-C492/492C PRICE PRICE PART CODE DESCRIPTION PARTS CODE DESCRIPTION RANK RANK NGERH0012AWZZ J AC Gear,Drive 92LN-BAND1318A AA Nylon Band,80mm MLEVP0010AWZZ J AC Rail,Guide LANGK0129AWFW J AF Bracket,Fan Support NSFTM0002AWFW J AE Shaft,Guide NFANP0001AWZZ J AD Rotary Fan 92LM-CUSN1524A J AC Cushion...
  • Page 81 AD Bracket,Tweeter TINSE0209AWZZ AH Operation Manual [CD-C492] 92L372-0100 AC Screw,ø4×16mm TINSK0072AWZZ AK Operation Manual [CD-C492C] 92L372-0101 AB Screw,ø3×12mm TINSZ0306AWZZ AB Quick Guide [CD-C492 Only] 92L372-0102 Screw,ø4×10mm 92LFANT1746A AD FM Antenna 92L394-0041 AC Leg Cushion 92LLABL372C AB Label,Specifications 92L351-0310 AD Label,Specifications...
  • Page 82 CD-C492/492C CD-C492/492C 306-2 306-1 306-3 305x2 PWB-K Figure 11 CD MECHANISM EXPLODED VIEW – 11 – – 80 –...
  • Page 83 CD-C492/492C CD-C492/492C 615x4 605x2 PWB-G 608x2 604x3 604x12 PWB-C1 FLD1 PWB-C2 PWB-C3 223-2 223-1 225B 225C 223-3 225D 225A 224-2 224-1 224-3 (250-1, 250-2, PWB-A 250-3, 250-4, 250-5,250-6,250-7, 250-8) 605x6 244-1 611x2 607x2 PWB-F1 Silicon Grease 614x4 607x2 Silicon Grease...
  • Page 84 CD-C492/492C CD-C492/492C 260-3 260-2 609x2 260-1 609x2 281x2 MECHANISM 602x2 620x4 PWB-B PWB-K SOLM2 Figure 13 CABINET EXPLODED VIEW (2/2) – 82 – – 13 –...
  • Page 85 CD-C492/492C CP-C492 SUPER TWEETER TWEETER SP3(L-CH) SP5(L-CH) SP4(R-CH) SP6(R-CH) Capacitor (SP5,6) WOOFER 909x2 SP3(L-CH) SP4(R-CH) 903 905x2 Capacitor 905x2 SP3,4 909x2 SP1,2 908x4 SUPER TWEETER SP5(L-CH) SP6(R-CH) TWEETER SP3(L-CH) Capacitor SP4(R-CH) 2.2µF WOOFER SP1(L-CH) SP2(R-CH) Figure 14 SPEAKER EXPLODED VIEW (1/3) –...
  • Page 86 CD-C492/492C CP-SW492 905x4 BLACK Figure 15 SPEAKER EXPLODED VIEW (2/3) – 84 – – 15 –...
  • Page 87 CD-C492/492C Figure 16 SPEAKER EXPLODED VIEW (3/3) – 85 – – 16 –...

  • Page 88: Packing Of The Set (For U.s.a. Only)

    Packing Case FRONT Not Replacement Item TLABR0973AWZZ Label,Bar Code © COPYRIGHT 1998 BY SHARP COPORATION SHARP CORPORATION ALL RIGHTS RESERVED. Communication Systems Group Quality & Reliability Control Center No part of this publication may be reproduced, Higashihiroshima, Hiroshima 739-0192, Japan...

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